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Designed for harsh environments and ease of integration.
Designed and manufactured in the USA for optoelectronic system integrations, the Hydra-25™ couples high-energy, diode-pumped, solid-state laser transmitters with high-gain, low-noise APD photoreceivers to provide highly accurate and reliable range-to-target information to their host systems.
Weighing only 175 grams and consuming less than 165 cm of volume, the best-in-class Hydra-25™ provides accurate 10 Hz ranging of targets up to 25 km away while requiring minimal system power.
The Hydra-25™ module includes Maztech’s reliable, lownoise, high-gain APD photoreceiver that offers best-inclass sensitivity, allowing for long range performance with less laser pulse energy and lower power. To allow optimal APD bias at all operating temperatures, the Hydra-25™ module includes automatic APD bias temperature compensation that is calibrated at the factory.
Please pick a model.
Notification to customers that bought an X4-LRF or X4 Low-Profile Remote before Nov 17, 2025: Click here for low-temperature recall notice of your X4 Low-Profile Remote
CALIFORNIA WARNING: Can expose you to formaldehyde, a carcinogen, and bisphenol S (BPS), a reproductive toxicant. See www.P65Warnings.ca.gov.
Also available at Maztech's Preferred Distributors:
Low power, high sensitivity
Reliable, accurate measurements
Straightforward system integration
Ruggedized and environmentally sealed for real deployment
Designed and manufactured in the USA
These accessories sold separately:
X4-FCS
X4-LRF
X4 FCS-to-LRF Cable
X4 Rail-Mounted Remote
X4 Low-Profile Remote
X4 Diving Board Mount
Or evaluate the whole X4 System:
X4 System
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Number of Transmitters
1
Wavelength
1534 nm
Laser Classification
Class 1
Ranging Mode
Single/Multi-Pulse
Maximum Repetition Rate
10 Hz
Divergence
< 1.0 mrad
Minimum Measurement Range
25 m
Maximum Measurement Range
25,000 m
Measurement Resolution
0.1 m
Measurement Time (Single Pulse)
< 5 ms
Measurement Time (Multi-Pulse)
< 200 ms
Maximum Number of Targets
5
Minimum Target Separation
25 m
Measurement Accuracy (1σ)
< 1 m
Alignment Lasers
Class 3R Red & Class 1 NIR
TYPICAL MEASUREMENT RANGE
Man
5,000 m
Vehicle
12,000 m
Extended Target
25,000 m
C-UAS
N/A
MECHANICAL
Weight
< 150 g
Dimensions (L x W x H)
2.6 x 2.3 x 1.8 in (67 x 59 x 46 mm)
ENVIRONMENTAL
Operating Temperature
-40 °C to 60 °C
Mechanical Shock
500 g, 1 ms half-sine
ELECTRICAL AND COMMUNICATION
Input Voltage Range
4 V - 16 V
Power Consumption
(Operational | During Measurement)
< 0.01 W | < 2.5 W
Data Interface
RS-232 or 3.3 V UART
All dimensions are in millimeters (mm) unless otherwise stated
Low power, high sensitivity
Reliable, accurate measurements
Straightforward system integration
Ruggedized and environmentally sealed for real deployment
Designed and manufactured in the USA
